The townspeople of Raynham, Mass., fear the worst when a local girl's bike turns up at the edge of a forest, but a manhunt exposes a truth that is every mother's worst nightmare.

The townspeople of Raynham, Mass., fear the worst when a local girl's bike turns up at the edge of a forest, but a manhunt exposes a truth that is every mother's worst nightmare.

A sadistic killer kidnaps two college students on a date; after he holds them hostage at gunpoint in a remote spot for hours, the pair must use their cunning to get out alive.

A sadistic killer kidnaps two college students on a date; after he holds them hostage at gunpoint in a remote spot for hours, the pair must use their cunning to get out alive.

A girl goes missing and police presume her dead; several locals are in the frame, but the trail goes cold with no body; after an unlikely tip-off, police bring in a suspect -- and the truth of what happened that day stuns everyone.

A girl goes missing and police presume her dead; several locals are in the frame, but the trail goes cold with no body; after an unlikely tip-off, police bring in a suspect -- and the truth of what happened that day stuns everyone.

A high school obsession turns into a decade-long reign of terror; just as Kathleen thinks she's shaken her stalker for good, the nightmare begins anew; as the deadly game escalates, there's nowhere left to hide.

A high school obsession turns into a decade-long reign of terror; just as Kathleen thinks she's shaken her stalker for good, the nightmare begins anew; as the deadly game escalates, there's nowhere left to hide.

The brutal rape and murder of a young girl in broad daylight set police off on a trail that soon runs cold; a mother's love refuses to let her give up the search, which results in a two-decade fight for justice.

The brutal rape and murder of a young girl in broad daylight set police off on a trail that soon runs cold; a mother's love refuses to let her give up the search, which results in a two-decade fight for justice.

The murder of a popular schoolgirl in broad daylight leads detectives to initially believe the killer must be from out of town. As the investigation unfolds, they discover the culprit is closer than anyone could imagine.

The murder of a popular schoolgirl in broad daylight leads detectives to initially believe the killer must be from out of town. As the investigation unfolds, they discover the culprit is closer than anyone could imagine.